Flights from Washington DC to Montreal

Our cheapest offers for flights from Washington DC to Montreal

Here you can compare cheap flights from Washington DC (WAS) to Montreal (YMQ) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Montreal. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Washington-DC
Montreal
Outbound
04/03/26
1 Stopover (YTZ)
PD2724, PD2487
04h 15min
Return
04/16/26
1 Stopover (YTZ)
PD2466, PD2723
05h 49min
Porter Airlines
$324
Best option
Washington-DC
Montreal
Outbound
04/03/26
direct
UA3539
02h 00min
Return
04/16/26
direct
UA3414
02h 02min
United Airlines
$455
Washington-DC
Montreal
Outbound
04/03/26
1 Stopover (YTZ)
PD2724, PD2487
04h 15min
Return
04/16/26
1 Stopover (YTZ)
PD2466, PD2723
05h 49min
Porter Airlines
$333
Washington-DC
Montreal
Outbound
04/03/26
1 Stopover (YTZ)
PD2724, PD2487
04h 15min
Return
04/16/26
1 Stopover (YTZ)
PD2452, PD2721
03h 39min
Porter Airlines
$359
Washington-DC
Montreal
Outbound
04/03/26
1 Stopover (YTZ)
PD2724, PD2487
04h 15min
Return
04/16/26
1 Stopover (YTZ)
PD2452, PD2721
03h 39min
Porter Airlines ?
$369
Washington-DC
Montreal
Outbound
04/03/26
1 Stopover (YTZ)
PD2724, PD2487
04h 15min
Return
04/16/26
1 Stopover (YTZ)
PD2452, PD2721
03h 39min
Porter Airlines ?
$382
Washington-DC
Montreal
Outbound
12/24/25
1 Stopover (YOW)
AC4695, AC8004
10h 31min
Return
12/27/25
1 Stopover (YTZ)
PD2452, PD2721
03h 39min
Air Canada ?
$411
Washington-DC
Montreal
Outbound
12/24/25
1 Stopover (YTZ)
PD2722, PD2473
03h 40min
Return
12/27/25
1 Stopover (YTZ)
PD2452, PD2721
03h 39min
Porter Airlines
$414
Washington-DC
Montreal
Outbound
04/03/26
1 Stopover (YTZ)
PD2722, PD2479
04h 50min
Return
04/16/26
1 Stopover (YTZ)
PD2466, PD2723
05h 49min
Porter Airlines ?
$423
Washington-DC
Montreal
Outbound
12/24/25
1 Stopover (ORD)
UA1738, UA3418
15h 27min
Return
12/27/25
1 Stopover (YTZ, YYZ)
AC7957, AC8616
11h 56min
United Airlines ?
$465
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Washington DC to Montreal

Favorite airline: Porter Airlines
Most travelers looking for flights on the route from Washington-DC to Montreal decide to book flights with Porter Airlines.
Porter Airlines
89 %
United Airlines
10 %
Westjet
2 %
Stopover flights are the cheapest connection
Compared to flights with a stopover, direct flights are $91.00 more expensive on this route.
non stop flight
1 stop
02h 01min
06h 15min
$316
$225
Favourite connection: via Toronto - City Centre
The most popular route is via Toronto - City Centre and is booked by 93 % of all travelers.
Route
bookings
1 stopover Toronto - City Centre Airport
06h 15min, from $225
93 %
1 stopover New York - Newark Liberty International Airport, NJ
07h 16min, from $289
5 %
1 stopover Toronto - City Centre Airport Toronto - Lester B. Pearson International Airport
06h 46min, from $283
2 %

Important flight information

Flight information: Washington-DC - Montreal

Roundtrip from $323.11
Flight duration min. 01:39 / max. 01:50
Return flight duration min. 01:44/ max. 02:07
Distance 792 km
Flights per week 40
Departure airport Airport Washington-DC (WAS)
Arrival airport Airport Montreal, all Airports (YMQ)
Destination country Flights to Canada
Alternative routes to Canada
Alternative flights to Montreal
Flight destinations with a similar price
Flight destinations with a similar price